diff options
author | Michal Hocko <mhocko@suse.cz> | 2011-07-08 08:39:41 -0400 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2011-07-08 16:21:58 -0400 |
commit | d8bf4ca9ca9576548628344c9725edd3786e90b1 (patch) | |
tree | df338f50a5af6bc3651bd863b79fa91e6b1e9e20 /include/linux/cgroup.h | |
parent | eb032b9837a958e21ca000358a5bde5e17192ddb (diff) |
rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check
Since ca5ecddf (rcu: define __rcu address space modifier for sparse)
rcu_dereference_check use rcu_read_lock_held as a part of condition
automatically so callers do not have to do that as well.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r-- | include/linux/cgroup.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index ab4ac0ccb857..da7e4bc34e8c 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h | |||
@@ -539,7 +539,6 @@ static inline struct cgroup_subsys_state *cgroup_subsys_state( | |||
539 | */ | 539 | */ |
540 | #define task_subsys_state_check(task, subsys_id, __c) \ | 540 | #define task_subsys_state_check(task, subsys_id, __c) \ |
541 | rcu_dereference_check(task->cgroups->subsys[subsys_id], \ | 541 | rcu_dereference_check(task->cgroups->subsys[subsys_id], \ |
542 | rcu_read_lock_held() || \ | ||
543 | lockdep_is_held(&task->alloc_lock) || \ | 542 | lockdep_is_held(&task->alloc_lock) || \ |
544 | cgroup_lock_is_held() || (__c)) | 543 | cgroup_lock_is_held() || (__c)) |
545 | 544 | ||